TWI841174B - Air Quality Maintenance System - Google Patents

Abstract

An air quality maintenance system includes a plurality of gas sensing units, an air purification unit and a control host. The gas sensing units are arranged in different indoor spaces, and can detect gas concentration, suspended particle concentration, temperature or humidity, and generate a detection value. The air purification unit can purify the air in the indoor space. The control host is electrically connected to the gas sensing unit and the air purification unit, and can receive the detection value generated by the gas sensing unit and control the operation of the air purification unit. When the air purification unit is running, the control host will determine whether the detection values are all lower than the preset threshold. If the judgment result is yes, the control host will start timing and judge whether the detection values within a certain time threshold are lower than the preset threshold. If the judgment result is yes, the control host will stop the air purification unit from running.

Description

Air Quality Maintenance System

The present invention relates to a maintenance system, and more particularly to an air quality maintenance system.

With the continuous development of society, air pollution has become an influencing factor that cannot be ignored when maintaining the quality of life and physical health. Generally speaking, in offices, businesses and other places, air conditioning systems including air purifiers, total heat exchangers and other equipment are installed in different spaces to maintain the air quality in each space as a whole. However, due to the different external environments and internal usage conditions of different spaces, it is difficult to maintain and monitor the air quality of all spaces at the same time.

Therefore, one of the objects of the present invention is to provide an air quality maintenance system that can solve the above-mentioned problems.

Therefore, in some embodiments, the air quality maintenance system of the present invention includes a plurality of gas sensing units, an air purification unit and a control host. The gas sensing units are respectively arranged in different indoor spaces, and each gas sensing unit can detect the concentration of at least one gas, the concentration of at least one suspended particle, the temperature or humidity, and generate a detection value. The air purification unit is connected to the indoor spaces and can be controlled to purify the air in the indoor spaces. The control host is electrically connected to the gas sensing units and the air purification unit, can receive the detection values generated by the gas sensing units, and control the operation of the air purification unit. When the air purification unit is running, the control host will determine whether the detection values generated by the gas sensing units are all lower than the corresponding preset thresholds. If the judgment result is yes, the control host will start timing and determine whether the detection values within a time threshold are all lower than the preset thresholds. If the judgment result is yes, the control host will stop the air purification unit from running.

In some implementations, the gases detected by the gas sensing units include at least one of carbon monoxide, carbon dioxide, sulfur dioxide, nitrogen dioxide, and ozone.

In some implementations, the time threshold is 1 hour.

In some embodiments, when the air purification unit stops running, the control host determines whether at least one of the detection values is higher than the corresponding preset threshold. If the determination result is yes, the control host starts the air purification unit.

In some embodiments, the air purification unit includes at least one of an air purifier and a total heat exchanger.

The present invention has at least the following effects: by cooperating with the air purification unit and the gas sensing units, it is possible to implement a technology for purifying the air quality of multiple indoor spaces with a single air purification unit, thereby reducing the system construction cost, meeting the requirements for maintaining air quality, and simultaneously performing perfect maintenance and monitoring of the air quality of all indoor spaces. In addition, by setting the operating condition that the detection values are all lower than the preset thresholds within the time threshold, the stability of the system operation can be effectively maintained, and the air purification unit can be prevented from being frequently turned on and off.

1 and 2 show an embodiment of the air quality maintenance system 100 of the present invention. The air quality maintenance system 100 can be installed in offices, businesses, and other places, and includes a plurality of gas sensing units 1, an air purification unit 2, and a control host 3.

The gas sensing units 1 are respectively disposed in different indoor spaces 200. In this embodiment, one gas sensing unit 1 is disposed in one indoor space 200 as an example, but the implementation is not limited to this aspect, and multiple gas sensing units 1 may be disposed in one indoor space 200. Each gas sensing unit 1 may integrate various gas sensors, suspended particle sensors, thermometers, hygrometers and other sensors, so as to detect the concentration of at least one gas, the concentration of at least one suspended particle, the temperature or the humidity, and generate a detection value accordingly. For example, the gas sensing units 1 can detect gases including at least one of carbon monoxide, carbon dioxide, sulfur dioxide, nitrogen dioxide, and ozone, and can detect suspended particles including suspended particles with a particle size of less than or equal to 10 microns (PM ₁₀ ) and suspended particles with a particle size of less than or equal to 2.5 microns (PM _2.5 ). By detecting these factors, the air quality of the indoor spaces 200 can be effectively monitored.

The air purification unit 2 is electrically connected to the control host 3, and is connected to the indoor spaces 200 through a gas pipeline (exemplified in the figure as a long strip structure extending horizontally), and can be controlled by the control host 3 to purify the air in the indoor spaces 200. For example, the air purification unit 2 includes at least one of an air purifier and a total heat exchanger, so that the air can be purified by means of filters, active ions, photocatalysts, etc., and the temperature and humidity can be appropriately adjusted. In this embodiment, the air purification unit 2, for example, operates as a single device in conjunction with multiple gas sensing units 1, so that a good balance can be achieved in terms of construction cost and air quality maintenance. Of course, the operation of multiple air purification units 2 in conjunction with the gas sensing units 1 is also within the scope of this embodiment.

The control host 3 is, for example, a server host or a computer host, which is electrically connected (exemplified by dotted lines) to the gas sensing units 1 and the air purification unit 2, and can receive the detection values generated by the gas sensing units 1 and control the operation of the air purification unit 2 accordingly.

The operation of the air quality maintenance system 100 is described below with reference to the flow chart of FIG. 2 .

In steps S01-S03, when the air purification unit 2 stops running, the control host 3 will determine whether at least one of the detection values of the monitoring indicators such as gas concentration, suspended particle concentration, temperature, and humidity generated by the gas sensing units 1 is higher than the corresponding preset threshold value as in step S02. If the judgment result is yes, it means that the air quality of at least one of the indoor spaces 200 needs to be improved, so the control host 3 will start the air purification unit 2 to perform the relevant purification procedures on the indoor space 200 that needs to be air purified. If the judgment result is no, the air purification unit 2 is allowed to maintain a stopped state. In this embodiment, the preset threshold value can be set with reference to the air quality standard regulations of the Republic of China, for example, the daily average value of PM ₁₀ is 100 micrograms/cubic meter, the daily average value of PM _2.5 is 35 micrograms/cubic meter, the hourly average value of carbon monoxide is 35 ppm (volume concentration part per million), and the hourly average value of sulfur dioxide is 0.075 ppm. In this way, it can be ensured that the air quality maintenance system 100 can monitor and maintain the air quality of the indoor space 200 in an effective and regulatory-compliant manner. Of course, the preset threshold value can also be set according to other standards as needed, and is not limited to the aforementioned implementation.

In steps S03-S05, when the air purification unit 2 is running, the control host 3 will determine whether all the detection values are lower than the corresponding preset thresholds as in step S04. If the determination result is yes, the control host 3 will start timing and determine whether the detection values within a time threshold are lower than the preset thresholds as in step S05. If the determination result of step S05 is yes, it means that the air quality of all indoor spaces 200 has been maintained in a good state for a considerable period of time, so the control host 3 will stop the operation of the air purification unit 2 to save power consumption. On the contrary, if at least one of the judgment conditions of steps S04 and S05 is negative, the air purification unit 2 will remain in operation. In this embodiment, the time threshold is, for example, 1 hour, that is, when the detection values of all indoor spaces 200 detected by the gas sensing units 1 meet the preset threshold and continue for 1 hour, the air purification unit 2 will stop running. Such a time threshold setting can avoid the air purification unit 2 from frequently turning on and off in a short period of time due to the fluctuation of the detection values around the standard of the preset threshold, thereby ensuring the stability of the system operation. Of course, the time setting of the time threshold can be set to other values as needed, and is not limited to the content disclosed in this embodiment.

In summary of the above description, the air quality maintenance system 100 of the present invention can realize the implementation technology of using a single air purification unit 2 to purify the air quality of multiple indoor spaces 200 through the cooperation of the air purification unit 2 and the gas sensing units 1, which can reduce the system construction cost, meet the requirements of maintaining air quality, and can simultaneously perform perfect maintenance and monitoring of the air quality of all indoor spaces 200. In addition, by setting the operating condition that the detection values are all lower than the preset thresholds within the time threshold, the stability of the system operation can be effectively maintained to avoid the frequent switching of the air purification unit 2. Therefore, the air quality maintenance system 100 of the present invention can indeed achieve the purpose of this invention.

However, the above is only an example of the implementation of the present invention, and it cannot be used to limit the scope of the implementation of the present invention. All simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the patent specification are still within the scope of the patent of the present invention.

100: Air Quality Maintenance System

200:Indoor space

1: Gas sensing unit

2: Air purification unit

3: Control host

S01~S05: Steps

Other features and functions of the present invention will be clearly presented in the implementation method of the reference drawings, in which: FIG. 1 is a system diagram illustrating an embodiment of the air quality maintenance system of the present invention; and FIG. 2 is an operation flow chart of the air quality maintenance system.

100: Air quality maintenance system

200: Indoor space

1: Gas sensing unit

2: Air purification unit

3: Control host

Claims (4)

An air quality maintenance system includes: a plurality of gas sensing units, which are respectively arranged in different indoor spaces, each gas sensing unit can detect the concentration of at least one gas, the concentration of at least one suspended particle, the temperature or the humidity, and generate a detection value; an air purification unit, which is connected to the indoor spaces and can be controlled to purify the air in the indoor spaces; and a control host, which is electrically connected to the gas sensing units and the air purification units, can receive the detection values generated by the gas sensing units, and control the operation of the air purification unit, wherein in the air When the purification unit is running, the control host will determine whether the detection values generated by the gas sensing units are all lower than the corresponding preset thresholds; if the judgment result is yes, the control host will start timing and determine whether the detection values within a time threshold are all lower than the preset thresholds; if the judgment result is yes, the control host will stop the air purification unit from running. When the air purification unit stops running, the control host will determine whether at least one of the detection values is higher than the corresponding preset threshold; if the judgment result is yes, the control host will start the air purification unit to run. The air quality maintenance system as described in claim 1, wherein the gases detected by the gas sensing units include at least one of carbon monoxide, carbon dioxide, sulfur dioxide, nitrogen dioxide, and ozone. An air quality maintenance system as described in claim 1, wherein the time threshold is 1 hour. The air quality maintenance system as described in claim 1, wherein the air purification unit includes at least one of an air purifier and a total heat exchanger.

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